Alex Koo
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 1600 Freestyle | SCY | 19:49.78 | 2026-06-24 | 2026 IN Open Water Championships venue | |
| 50 Freestyle | LCM | 24.22 | AAAA | 2025-03-27 | 2025 Central Zone East Spring Speedo Sectiona venue |
| 100 Freestyle | LCM | 53.21 | AAA+0.22s to AAAA | 2025-03-30 | 2025 Central Zone East Spring Speedo Sectiona venue |
| 200 Freestyle | LCM | 1:58.04 | AAA+1.45s to AAAA | 2024-07-12 | 2024 IN Swimming Swimfest venue |
| 400 Freestyle | LCM | 4:21.10 | AA+0.51s to AAA | 2024-07-13 | 2024 IN Swimming Swimfest venue |
| 100 Backstroke | LCM | 1:00.72 | AAA+1.63s to AAAA | 2024-03-23 | 2024 Spring Speedo Sectionals venue |
| 200 Backstroke | LCM | 2:15.27 | AA+0.48s to AAA | 2023-07-21 | 2023 IN Swimming AGS Entries |
| 100 Butterfly | LCM | 57.68 | AAA+0.69s to AAAA | 2025-03-28 | 2025 Central Zone East Spring Speedo Sectiona venue |
| 200 Butterfly | LCM | 2:09.81 | AAA+2.62s to AAAA | 2025-03-29 | 2025 Central Zone East Spring Speedo Sectiona venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
IMX / IMR
IMX 17-18 · LCM
2549 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:21.10 | 825 |
| 200 BK LCM | 2:15.27 | 825 |
| 200 FL LCM | 2:09.81 | 899 |
| 200 BR LCM | — | 0 |
| 200 IM LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 17-18 · LCM
2711 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 1:58.04 | 917 |
| 100 BK LCM | 1:00.72 | 880 |
| 100 FL LCM | 57.68 | 914 |
| 100 BR LCM | — | 0 |
| 200 IM LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle LCM 53.21
Front half 25.54s · back half 27.67s
200 Freestyle LCM 1:58.04
Front half 56.82s · back half 61.22s
400 Freestyle LCM 4:21.10
Front half 126.75s · back half 134.35s
100 Backstroke LCM 1:00.72
Front half 29.62s · back half 31.10s
100 Butterfly LCM 57.68
Front half 26.74s · back half 30.94s
200 Butterfly LCM 2:09.81
Front half 59.82s · back half 69.99s
Progression
Faster times are higher. One card per event, all courses & history.